Cummins N14 STC, Celect, Celect Plus – Service Manual 008-070   Coolant Temperature Sensor

WARNING  Do not remove the pressure cap from a hot engine. Wait until the temperature is below 50°C [122°F] before removing the pressure cap. Heated coolant spray or steam can cause personal injury.

WARNING  Batteries can emit explosive gases. To reduce the possibility of personal injury, always ventilate the compartment before servicing the batteries. To reduce the possibility of arcing, remove the negative (-) battery cable first and attach the negative (-) battery cable last.

WARNING  Coolant is toxic. Keep away from pets and children. If not reused, dispose of in accordance with local environmental regulations.

• Disconnect the batteries. Refer to the OEM service manual.
• Drain the coolant from the engine. Refer to Procedure 008-018 in Section 8.
• Disconnect the coolant temperature sensor connector.

Remove the coolant temperature sensor from the thermostat housing.

Make sure the sensor has an o-ring before installing it in the engine.

Install the coolant temperature sensor in to the thermostat housing.

Push the electrical connector into the sensor until it locks into place.

WARNING  Coolant is toxic. Keep away from pets and children. If not reused, dispose of in accordance with local environmental regulations.

WARNING  Batteries can emit explosive gases. To reduce the possibility of personal injury, always ventilate the compartment before servicing the batteries. To reduce the possibility of arcing, remove the negative (-) battery cable first and attach the negative (-) battery cable last.

• Fill the engine with coolant to the proper level. Refer to Procedure 008-018 in Section 8.
• Connect the batteries. Refer to the OEM service manual.
• Operate the engine and check for leaks.